Former German Chancellor Angela Merkel is retired and lives with her husband and pug in a small town. She is bored with the quiet life. When a man is found murdered in a castle, she begins to investigate on her own, supported by her bodyguard.

Sauerland, autumn 1995: In the middle of the forest on the Wilzenberg, a walker finds the body of high school graduate Sonja Risse. However, the fact that the killer left a music box with the lullaby "Hush Little Baby" at the crime scene does not lead to a clear solving. 25 years later, the investigative journalist Stefanie Schneider, known as "Mütze", made a surprising discovery in Cologne. In a disused multi-storey car park, she films an undressed corpse of a man with a music box running next to it! When her colleague Jan Römer, who reported on the spectacular Sonja case as a young journalist in 1995, recognizes the melody from back then, he immediately believes there is a connection. He goes to Wilzenberg with his ambitious colleague to interview Sonja's mother Maria, her former teacher Waldheim and her best friends. The more the journalists compile, the clearer the contradictions and gaps that the investigators should have noticed at the time.

For Marko, life mainly consists of frozen pizzas and back pain. For almost 30 years, the widower has been hauling frozen goods for the company "Eisland" to the front doors of his mostly older customers. When Marko has to take early retirement due to illness, his life gets into imbalance. Thereby Marko has only one goal: his studying son should have it better one day. Lawyer or judge, that would be something. The main thing is no work where you have to wear a name tag. The decease of an old female customer unexpectedly opens up a whole new business model for Marko. Unfortunately, he reckoned without the nosy neighbors. To make matters worse, his own son also finds out about it. Marko's house of cards threatens to collapse. Then he meets his idol Roland Kaiser at the bar.

Born in 1990, Tamara no longer knows the country she comes from. When her family breaks up, Tamara fights for her parental home, for her relationships - and for her own history.

The widower Danyal worries about his adult daughter Jila, even though the doctor has long been on her own feet. When the man in his mid-fifties can't reach her by phone, he rushes from Kitzingen in Franconia to Berlin with two friends. The career lawyer Markus and the entertainer Tobi, also loving fathers with adult daughters in the capital, would like to combine the friendship service with the opportunity to visit their offspring. However, as soon as they arrive, the three realize that they know very little about the lives of the young women. Jila doesn't want to talk to Danyal because she believes he is responsible for the failure of several relationships, the unsuccessful actress Tilda is burdened by her father's excessive career expectations and Hanna confronts the complacent judge Markus about a secret marriage for legally questionable reasons. The three fathers' short trip develops a dynamic of its own that also pushes the daughters to their limits.

Olaf tries to make his dreams reality and thereby always gets into trouble with his surroundings. He meets his biggest obstacle yet when his father pressures him into having a child. Finding a woman becomes difficult when Olaf realizes that they have something he doesn't have: feelings.

Christian, a reclusive young man from Leipzig, gets a job working the night shift at a big-box store. He's trained to stocks goods and operate a forklift by Bruno, a wistful former truck driver, who introduces Christian to a colorful group of overnight workers, including Marion, with whom Christian develops a troubled infatuation.

It's Lene's first day back at work after some time off. Friends and acquaintances, regulars and strangers come to her jazz and blues bar. While Lene is waiting for Danish musician Leif, who is scheduled to perform tonight, the guests discuss all kinds of topics, ranging from pop music by elves and invisible cell phones to maggots eating away at corpses. But what if Leif doesn't show up at all?